CN216311426U - Overhead insulated cable - Google Patents
Overhead insulated cable Download PDFInfo
- Publication number
- CN216311426U CN216311426U CN202121516927.2U CN202121516927U CN216311426U CN 216311426 U CN216311426 U CN 216311426U CN 202121516927 U CN202121516927 U CN 202121516927U CN 216311426 U CN216311426 U CN 216311426U
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- China
- Prior art keywords
- layer
- tensile
- insulated cable
- overhead insulated
- wall
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000001681 protective effect Effects 0.000 claims abstract description 29
- 230000017525 heat dissipation Effects 0.000 claims abstract description 23
- 239000011248 coating agent Substances 0.000 claims abstract description 12
- 238000000576 coating method Methods 0.000 claims abstract description 12
- 238000009413 insulation Methods 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 15
- -1 polyethylene Polymers 0.000 claims description 11
- 238000005260 corrosion Methods 0.000 claims description 9
- 239000004698 Polyethylene Substances 0.000 claims description 6
- 239000002657 fibrous material Substances 0.000 claims description 6
- 229920000573 polyethylene Polymers 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 3
- 239000010881 fly ash Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- QOKYJGZIKILTCY-UHFFFAOYSA-J hydrogen phosphate;zirconium(4+) Chemical class [Zr+4].OP([O-])([O-])=O.OP([O-])([O-])=O QOKYJGZIKILTCY-UHFFFAOYSA-J 0.000 claims description 3
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000013329 compounding Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 229910021389 graphene Inorganic materials 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract description 5
- 239000003063 flame retardant Substances 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 230000002633 protecting effect Effects 0.000 abstract description 2
- 239000012634 fragment Substances 0.000 description 5
- 239000004411 aluminium Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model relates to the technical field of overhead insulated cables, and discloses an overhead insulated cable which comprises an inner protective pipe. The overhead insulated cable is internally provided with the tensile rope, when the overhead insulated cable is stretched, the tensile rope ensures the tensile effect, and three tensile ropes are arranged in the filling layer, so that the tensile property of the wire and cable for the sensor is further improved, the bow-shaped elastic sheet is arranged in the placing hole, the bow-shaped elastic sheet is utilized to provide a buffering effect for the lead, the lead is prevented from being damaged, the heat dissipation arc plates are arranged between the arch-shaped elastic sheets, so that the heat generated on the surface of the lead is diffused to the outside of the placing hole, the integral heat dissipation capability of the overhead insulated cable is improved, the integral service life of the overhead insulated cable is prolonged, through having set gradually insulating layer, flame retardant coating and anticorrosive coating in the protective tube outside including, make this overhead insulated cable possess fire proofness and heat-proof quality, and make the protecting effect obtain improving, reduce the interference of external factor to the wire.
Description
Technical Field
The utility model relates to the technical field of overhead insulated cables, in particular to an overhead insulated cable.
Background
At present, a bunched overhead insulated cable is a cable which is formed by connecting a plurality of aluminum conductors into a whole by insulating materials and connecting ribs at intervals according to different arrangement forms. The cluster overhead insulated cable changes the distribution of a magnetic field and an electric field around, so that the reactance of the cluster overhead insulated cable is reduced, the susceptance of the cluster overhead insulated cable is increased, the electric energy loss of a line is obviously reduced, the cluster overhead insulated cable is convenient to install, and the cluster overhead insulated cable can be applied to urban and rural power grids. And the common overhead insulated cable has the following advantages: such as shortening the distance and the parallel distance at the cable intersection, convenient laying, high flexibility, reducing occupied space, greatly reducing the power failure times and electric shock accidents caused by line faults, improving the safety and the reliability of a power grid and the like. However, when a common overhead insulated cable is laid in a mountain area or a place with a drop in terrain and a large span, the cable often hangs down seriously due to overweight and cannot run normally. In order to solve the problems, the number of towers is increased, the laying cost is increased, meanwhile, the current-carrying capacity is relatively small due to the fact that the cable is suspended and the towers are increased, and the transmission loss is relatively large.
SUMMERY OF THE UTILITY MODEL
The present invention aims to provide an overhead insulated cable to solve the problems set forth in the background art described above.
In order to achieve the purpose, the utility model provides the following technical scheme: an overhead insulated cable comprises an inner protective pipe, wherein a heat insulation layer is arranged on the outer side of the inner protective pipe, the inner wall of the heat insulation layer is fixedly connected with the surface of the inner protective pipe, a fireproof layer is arranged on the outer side of the heat insulation layer, the inner wall of the fireproof layer is fixedly connected with the surface of the heat insulation layer, an anticorrosive layer is arranged in an outer groove of the fireproof layer, the inner wall of the anticorrosive layer is fixedly connected with the surface of the fireproof layer, an anti-tearing layer is arranged on the outer side of the anticorrosive layer, the inner wall of the anti-tearing layer is fixedly connected with the surface of the anticorrosive layer, a filling layer is arranged inside the inner protective pipe, the surface of the filling layer is fixedly connected with the inner wall of the inner protective pipe, three placing holes are formed in the filling layer in a penetrating manner from front to back along the axis of the inner protective pipe, the three placing holes are uniformly formed in the outer side of the axis of the inner protective pipe, a wire is arranged inside the placing hole, and arch-shaped elastic pieces and heat dissipation arc plates are arranged between the surface of the wire and the inner wall of the placing hole in a staggered manner, the utility model discloses a heat dissipation arc plate, including filling layer, bow-type shell fragment, tensile outer trough, locating plate inner end surface and tensile outer trough inner wall contact, bow-type shell fragment medial surface and wire surface contact, bow-type shell fragment outer end and place downthehole wall fixed connection, heat dissipation arc plate surface and place downthehole wall fixed connection, the inside tensile hole that has seted up from preceding backward along interior protection tube axis link up of filling layer, tensile hole and crisscross setting are inside the filling layer, tensile hole inside is provided with the tensile rope, tensile outer trough has been seted up from preceding backward in proper order on tensile rope surface, tensile outer trough end to end annular sets up on the tensile rope surface, the tensile hole is inside to be provided with the locating plate along the radial vertical fixation of tensile rope, locating plate inner end surface and tensile outer trough inner wall contact.
Preferably, the diameter of the tensile rope is 5mm, the tensile rope is made of high-strength polyethylene tensile fiber material, and the tensile rope is arranged in the tensile rope, so that when the overhead insulated cable is stretched, the tensile effect of the overhead insulated cable is ensured by the tensile rope.
Preferably, the thickness of the inner protective tube is 5mm, and the inner protective tube is made of polyethylene material.
Preferably, the thickness of the heat insulation layer is 3mm, the heat insulation layer is made of polyphenylene sulfide high-temperature resistant materials, the thickness of the fire protection layer is 3mm, the fire protection layer is made of alkalized fly ash and modified zirconium hydrogen phosphate powder in a compounding mode, the heat insulation layer, the fire protection layer and the corrosion protection layer are sequentially arranged on the outer side of the inner protection pipe, the overhead insulated cable is enabled to have fire resistance and heat insulation performance, the protection effect is improved, and the interference of external factors on the lead is reduced.
Preferably, the thickness of the anticorrosive layer is 2mm, and the anticorrosive layer is made of polytetrafluoroethylene materials, so that interference of external factors on the wire is reduced.
Preferably, the thickness of the anti-tearing layer is 5mm, and the anti-tearing layer is made of glass fiber materials.
Preferably, heat dissipation arc plate thickness is 0.5mm, the heat dissipation arc plate is made by aluminium mesh material, the filling layer radius is 30mm, the filling layer is made by graphite alkene fiber material, through set up the heat dissipation arc plate between bow type shell fragment, with the heat of wire surface production to placing the hole outside diffusion, improves the whole heat-sinking capability of this overhead insulated cable, improves the holistic life of this overhead insulated cable.
Compared with the prior art, the utility model has the beneficial effects that: the overhead insulated cable is internally provided with the tensile rope, when the overhead insulated cable is stretched, the tensile rope ensures the tensile effect, and three tensile ropes are arranged in the filling layer, so that the tensile property of the wire and cable for the sensor is further improved, the bow-shaped elastic sheet is arranged in the placing hole, the bow-shaped elastic sheet is utilized to provide a buffering effect for the lead, the lead is prevented from being damaged, the heat dissipation arc plates are arranged between the arch-shaped elastic sheets, so that the heat generated on the surface of the lead is diffused to the outside of the placing hole, the integral heat dissipation capability of the overhead insulated cable is improved, the integral service life of the overhead insulated cable is prolonged, through having set gradually insulating layer, flame retardant coating and anticorrosive coating in the protective tube outside including, make this overhead insulated cable possess fire proofness and heat-proof quality, and make the protecting effect obtain improving, reduce the interference of external factor to the wire.
Drawings
FIG. 1 is a schematic view of the overall front structure of the present invention;
FIG. 2 is an enlarged view of area A of FIG. 1 in accordance with the present invention;
FIG. 3 is an enlarged view of area B of FIG. 1 according to the present invention.
In the figure: interior protective tube 1, insulating layer 2, flame retardant coating 3, anticorrosive coating 4, anti-tear layer 5, filling layer 6, place hole 7, wire 8, bow-type shell fragment 9, heat dissipation arc board 10, tensile hole 11, tensile rope 12, tensile outer tank 13, locating plate 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: an overhead insulated cable comprises an inner protective pipe 1, wherein a heat insulation layer 2 is arranged on the outer side of the inner protective pipe 1, the inner wall of the heat insulation layer 2 is fixedly connected with the surface of the inner protective pipe 1, a fire-proof layer 3 is arranged on the outer side of the heat insulation layer 2, the inner wall of the fire-proof layer 3 is fixedly connected with the surface of the heat insulation layer 2, an anti-corrosion layer 4 is arranged outside the fire-proof layer 3, the inner wall of the anti-corrosion layer 4 is fixedly connected with the surface of the fire-proof layer 4, the heat insulation layer 2, the fire-proof layer 3 and the anti-corrosion layer 4 are sequentially arranged on the outer side of the inner protective pipe 1, so that the overhead insulated cable has fire resistance and heat insulation, the protection effect is improved, the interference of external factors on a wire 8 is reduced, a filling layer 6 is arranged inside the inner protective pipe 1, the surface of the filling layer 6 is fixedly connected with the inner wall of the inner protective pipe 1, a placing hole 7 is formed in the filling layer 6 from front to back along the axis of the inner protective pipe 1, the three placing holes 7 are uniformly arranged outside the axis of the inner protective tube 1, the inside of the placing hole 7 is provided with a lead 8, bow-shaped spring pieces 9 and heat dissipation arc plates 10 are alternately arranged between the surface of the lead 8 and the inner wall of the placing hole 7, the bow-shaped spring pieces 9 are arranged inside the placing hole 7, the bow-shaped spring pieces 9 are utilized to provide a buffer effect for the lead 8, the lead 8 is prevented from being damaged, the heat dissipation arc plates 10 are arranged between the bow-shaped spring pieces 9, the heat generated on the surface of the lead 8 is diffused to the outside of the placing hole 7, the integral heat dissipation capability of the overhead insulated cable is improved, the service life of the whole overhead insulated cable is prolonged, the inner side surface of the bow-shaped spring piece 9 is in contact with the surface of the lead 8, the outer end of the bow-shaped spring piece 9 is fixedly connected with the inner wall of the placing hole 7, the outer surface of the heat dissipation arc plate 10 is fixedly connected with the inner wall of the placing hole 7, the filling layer 6 is internally provided with anti-pulling holes 11 which are communicated along the axis of the inner protective tube 1 from front to back, the tensile holes 11 are arranged inside the filling layer 6 in a staggered manner, the tensile ropes 12 are arranged inside the tensile holes 11, when the overhead insulated cable is stretched, the tensile ropes 12 ensure the tensile effect, three tensile ropes 12 are arranged inside the filling layer 6, the tensile performance of the wire cable for the sensor is further improved, the surfaces of the tensile ropes 12 are sequentially provided with tensile outer grooves 13 from front to back, the tensile outer grooves 13 are annularly arranged on the surface of the tensile ropes 12 in an end-to-end manner, a positioning plate 14 is vertically and fixedly arranged inside the tensile holes 11 along the radial direction of the tensile ropes 12, the inner end surface of the positioning plate 14 is contacted with the inner wall of the tensile outer groove 13, the diameter of the tensile ropes 12 is 5mm, the tensile ropes 12 are made of high-strength polyethylene tensile fiber materials, the thickness of the inner protective pipe 1 is 5mm, the inner protective pipe 1 is made of polyethylene materials, the thickness of the thermal insulation layer 2 is 3mm, and the thermal insulation layer 2 is made of polyphenylene sulfide high-temperature resistant materials, 3 thickness of flame retardant coating is 3mm, flame retardant coating 3 is made by alkalization fly ash and modified hydrogen phosphate zirconium powder body complex, 4 thickness of anticorrosive coating are 2mm, anticorrosive coating 4 is made by polytetrafluoroethylene material, 5 thickness of anti-tear layer are 5mm, anti-tear layer 5 is made by glass fiber material, heat dissipation arc board 10 thickness is 0.5mm, heat dissipation arc board 10 is made by aluminium mesh material, 6 radiuses of filling layer are 30mm, filling layer 6 is made by graphite alkene fiber material.
When the overhead insulated cable is used, the tensile ropes 12 are arranged in the overhead insulated cable, when the overhead insulated cable is stretched, the tensile ropes 12 ensure the tensile effect, the three tensile ropes 12 are arranged in the filling layer 6, the tensile performance of the sensor wire cable is further improved, the arch-shaped elastic sheet 9 is arranged in the placing hole 7, the arch-shaped elastic sheet 9 is used for providing a buffering effect for the wire 8, the wire 8 is prevented from being damaged, the heat generated on the surface of the wire 8 is diffused to the outside of the placing hole 7 by arranging the heat dissipation arc plate 10 between the arch-shaped elastic sheets 9, the integral heat dissipation capacity of the overhead insulated cable is improved, the service life of the whole overhead insulated cable is prolonged, the heat insulation layer 2, the fire protection layer 3 and the corrosion protection layer 4 are sequentially arranged on the outer side of the inner protection pipe 1, so that the overhead insulated cable has fire protection performance and heat insulation performance, and the protection effect is improved, the interference of external factors on the lead 8 is reduced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. Overhead insulated cable, including interior protective tube (1), its characterized in that: the heat insulation layer (2) is arranged on the outer side of the inner protection pipe (1), the inner wall of the heat insulation layer (2) is fixedly connected with the surface of the inner protection pipe (1), the fire-proof layer (3) is arranged on the outer side of the heat insulation layer (2), the inner wall of the fire-proof layer (3) is fixedly connected with the surface of the heat insulation layer (2), the anti-corrosion layer (4) is arranged on the outer groove of the fire-proof layer (3), the inner wall of the anti-corrosion layer (4) is fixedly connected with the surface of the fire-proof layer (3), the anti-tearing layer (5) is arranged on the outer side of the anti-corrosion layer (4), the inner wall of the anti-tearing layer (5) is fixedly connected with the surface of the anti-corrosion layer (4), the filling layer (6) is arranged inside the inner protection pipe (1), the surface of the filling layer (6) is fixedly connected with the inner wall of the inner protection pipe (1), a placing hole (7) is formed in the filling layer (6) from front to back along the axis of the inner protection pipe (1), the three placing holes (7) are uniformly formed in the outer side of the axis of the inner protective pipe (1), a wire (8) is arranged in each placing hole (7), bow-shaped elastic sheets (9) and heat dissipation arc plates (10) are arranged between the surface of each wire (8) and the inner wall of each placing hole (7) in a staggered mode, the inner side surfaces of the bow-shaped elastic sheets (9) are in surface contact with the wire (8), the outer ends of the bow-shaped elastic sheets (9) are fixedly connected with the inner wall of each placing hole (7), the outer surfaces of the heat dissipation arc plates (10) are fixedly connected with the inner wall of each placing hole (7), tension resisting holes (11) are formed in the filling layer (6) in a penetrating mode along the axis of the inner protective pipe (1) from front to back, the tension resisting holes (11) are arranged in the filling layer (6) in a staggered mode, tension resisting ropes (12) are arranged in the tension resisting holes (11), and tension resisting outer grooves (13) are sequentially formed in the surface of the tension resisting ropes (12) from front to back, the tensile outer groove (13) is annularly arranged on the surface of the tensile rope (12) in an end-to-end mode, a positioning plate (14) is vertically and fixedly arranged inside the tensile hole (11) along the radial direction of the tensile rope (12), and the surface of the inner end of the positioning plate (14) is in contact with the inner wall of the tensile outer groove (13).
2. The overhead insulated cable of claim 1, wherein: the diameter of the tensile rope (12) is 5mm, and the tensile rope (12) is made of high-strength polyethylene tensile fiber material.
3. The overhead insulated cable of claim 1, wherein: the thickness of the inner protective pipe (1) is 5mm, and the inner protective pipe (1) is made of polyethylene materials.
4. The overhead insulated cable of claim 1, wherein: the thickness of the heat insulation layer (2) is 3mm, the heat insulation layer (2) is made of polyphenylene sulfide high-temperature-resistant materials, the thickness of the fire-proof layer (3) is 3mm, and the fire-proof layer (3) is made of alkalized fly ash and modified zirconium hydrogen phosphate powder in a compounding mode.
5. The overhead insulated cable of claim 1, wherein: the thickness of the anticorrosive coating (4) is 2mm, and the anticorrosive coating (4) is made of polytetrafluoroethylene materials.
6. The overhead insulated cable of claim 1, wherein: the thickness of the anti-tear layer (5) is 5mm, and the anti-tear layer (5) is made of glass fiber materials.
7. The overhead insulated cable of claim 1, wherein: the thickness of the heat dissipation arc plate (10) is 0.5mm, the heat dissipation arc plate (10) is made of an aluminum mesh material, the radius of the filling layer (6) is 30mm, and the filling layer (6) is made of a graphene fiber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121516927.2U CN216311426U (en) | 2021-07-02 | 2021-07-02 | Overhead insulated cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121516927.2U CN216311426U (en) | 2021-07-02 | 2021-07-02 | Overhead insulated cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216311426U true CN216311426U (en) | 2022-04-15 |
Family
ID=81087029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121516927.2U Expired - Fee Related CN216311426U (en) | 2021-07-02 | 2021-07-02 | Overhead insulated cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216311426U (en) |
-
2021
- 2021-07-02 CN CN202121516927.2U patent/CN216311426U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220415 |
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| CF01 | Termination of patent right due to non-payment of annual fee |